Fluid manifold for fluid ejection device

Abstract

A fluid manifold for a fluid ejection device including a plurality of fluid feed slots includes a first layer and a second layer adjacent the first layer, and a first fluid routing and a second fluid routing each provided through the first layer and the second layer. The fluid ejection device is supported by the second layer, and the first fluid routing is communicated with one of the fluid feed slots, and the second fluid routing is communicated with an adjacent one of the fluid feed slots. A pitch of the first fluid routing and the second fluid routing through the first layer is greater than a pitch of the fluid feed slots, and the first fluid routing and the second fluid routing each include a first channel oriented substantially parallel with the fluid feed slots and a second channel oriented substantially perpendicular to the fluid feed slots.

1. A fluid manifold for a fluid ejection device including a plurality of fluid feed slots, the fluid manifold comprising:
 a first layer and a second layer adjacent the first layer; and 
 a first fluid routing and a second fluid routing each provided through the first layer and the second layer, 
 wherein the fluid ejection device is supported by the second layer, and the first fluid routing is communicated with one of the fluid feed slots, and the second fluid routing is communicated with an adjacent one of the fluid feed slots, 
 wherein a pitch of the first fluid routing and the second fluid routing through the first layer is greater than a pitch of the fluid feed slots, and 
 wherein the first fluid routing and the second fluid routing each include a first channel oriented substantially parallel with the fluid feed slots and a second channel oriented substantially perpendicular to the fluid feed slots, 
 wherein the first channel of each the first fluid routing and the second fluid routing is provided in the first layer, and the second channel of each the first fluid routing and the second fluid routing is provided in the second layer. 
 
     
     
       2. The fluid manifold of  claim 1 , wherein the first layer and the second layer each have a first side and a second side opposite the first side, wherein the first side of the second layer is adjacent the second side of the first layer. 
     
     
       3. The fluid manifold of  claim 2 , wherein the first fluid routing and the second fluid routing each communicate with the first side of the first layer and the second side of the second layer, and wherein a pitch of the first fluid routing and the second fluid routing at the first side of the first layer is greater than a pitch of the first fluid routing and the second fluid routing at the second side of the second layer. 
     
     
       4. The fluid manifold of  claim 1 , wherein the first fluid routing and the second fluid routing each further include a first hole communicated with the first channel, and a second hole communicated with the second channel, wherein the first hole of each the first fluid routing and the second fluid routing is provided in the first layer, and the second hole of each the first fluid routing and the second fluid routing is provided in the second layer. 
     
     
       5. The fluid manifold of  claim 4 , wherein the second channel of the first fluid routing is communicated with the first channel of the first fluid routing via the first hole of the first fluid routing, and the second channel of the second fluid routing is communicated with the first channel of the second fluid routing via the first hole of the second fluid routing. 
     
     
       6. The fluid manifold of  claim 4 , wherein the second hole of the first fluid routing is communicated with the one of the fluid feed slots, and the second hole of the second fluid routing is communicated with the adjacent one of the fluid feed slots. 
     
     
       7. The fluid manifold of  claim 4 , wherein a pitch of the first hole of the first fluid routing and the second fluid routing is greater than a pitch of the second hole of the first fluid routing and the second fluid routing. 
     
     
       8. The fluid manifold of  claim 1 , wherein the second channel of the first fluid routing includes a plurality of second channels each communicated with the first channel of the first fluid routing, and the second channel of the second fluid routing includes a plurality of second channels each communicated with the first channel of the second fluid routing. 
     
     
       9. A fluid manifold for a fluid ejection device including a plurality of fluid feed slots, the fluid manifold comprising:
 a first layer; 
 a second layer adjacent the first layer; 
 first means for routing fluid through the first layer and the second layer; and 
 second means for routing fluid through the first layer and the second layer, 
 wherein the fluid ejection device is supported by the second layer, and the first means for routing fluid routes fluid to one of the fluid feed slots, and the second means for routing fluid routes fluid to an adjacent one of the fluid feed slots, 
 wherein a pitch of the first means for routing fluid and the second means for routing fluid at the first layer is greater than a pitch of the fluid feed slots, and 
 wherein the first means for routing fluid and the second means for routing fluid each include means for routing fluid substantially parallel with the fluid feed slots, and means for routing fluid substantially perpendicular to the fluid feed slots 
 wherein the means for routing fluid substantially parallel with the fluid feed slots is provided in the first layer, and the means for routing fluid substantially perpendicular to the fluid feed slots is provided in the second layer. 
 
     
     
       10. The fluid manifold of  claim 9 , wherein the first layer and the second layer each have a first side and a second side opposite the first side, wherein the first side of the second layer is adjacent the second side of the first layer. 
     
     
       11. The fluid manifold of  claim 10 , wherein the first means for routing fluid through the first layer and the second layer and the second means for routing fluid through the first layer and the second layer each communicate with the first side of the first layer and the second side of the second layer, and wherein a pitch of the first means for routing fluid and the second means for routing fluid at the first side of the first layer is greater than a pitch of the first means for routing fluid and the second means for routing fluid at the second side of the second layer. 
     
     
       12. The fluid manifold of  claim 9 , wherein, with the first means for routing through the first layer and the second layer, the means for routing fluid substantially parallel with the fluid feed slots communicates with the means for routing fluid substantially perpendicular to the fluid feed slots, and wherein, with the second means for routing fluid through the first layer and the second layer, the means for routing fluid substantially parallel with the fluid feed slots communicates with the means for routing fluid substantially perpendicular to the fluid feed slots. 
     
     
       13. A method of forming a fluid manifold for a fluid ejection device including a plurality of fluid feed slots, the method comprising:
 positioning a first layer adjacent a second layer; and 
 providing a first fluid routing and a second fluid routing through the first layer and the second layer, 
 wherein the fluid ejection device is supported by the second layer, and providing the first fluid routing and the second fluid routing includes communicating the first fluid routing with one of the fluid feed slots and communicating the second fluid routing with an adjacent one of the fluid feed slots, 
 wherein providing the first fluid routing and the second fluid routing include defining a pitch of the first fluid routing and the second fluid routing through the first layer as being greater than a pitch of the fluid feed slots, and 
 wherein providing the first fluid routing and the second fluid routing includes orienting a first channel of each of the first fluid routing and the second fluid routing substantially parallel with the fluid feed slots, and orienting a second channel of each of the first fluid routing and the second fluid routing substantially perpendicular to the fluid feed slots, 
 wherein providing the first fluid routing and the second fluid routing through the first layer and the second layer includes defining the first channel of each the first fluid routing and the second fluid routing in the first layer, and defining the second channel of each the first fluid routing and the second fluid routing in the second layer. 
 
     
     
       14. The method of  claim 13 , wherein the first layer and the second layer each have a first side and a second side opposite the first side, wherein positioning the first layer adjacent the second layer includes positioning the first side of the second layer adjacent the second side of the first layer. 
     
     
       15. The method of  claim 14 , wherein providing the first fluid routing and the second fluid routing through the first layer and the second layer includes communicating each the first fluid routing and the second fluid routing with the first side of the first layer and the second side of the second layer, and defining a pitch of the first fluid routing and the second fluid routing at the first side of the first layer as being greater than a pitch of the first fluid routing and the second fluid routing at the second side of the second layer. 
     
     
       16. The method of  claim 13 , wherein providing the first fluid routing and the second fluid routing through the first layer and the second layer further includes communicating a first hole with the first channel of each the first fluid routing and the second fluid routing, including defining the first hole of each the first fluid routing and the second fluid routing in the first layer, and communicating a second hole with the second channel of each the first fluid routing and the second fluid routing, including defining the second hole of each the first fluid routing and the second fluid routing in the second layer. 
     
     
       17. The method of  claim 16 , wherein providing the first fluid routing and the second fluid routing through the first layer and the second layer includes communicating the second channel of the first fluid routing with the first channel of the first fluid routing via the first hole of the first fluid routing, and communicating the second channel of the second fluid routing with the first channel of the second fluid routing via the first hole of the second fluid routing. 
     
     
       18. The method of  claim 16 , wherein providing the first fluid routing and the second fluid routing through the first layer and the second layer includes communicating the second hole of the first fluid routing with the one of the fluid feed slots, and communicating the second hole of the second fluid routing with the adjacent one of the fluid feed slots. 
     
     
       19. The method of  claim 16 , wherein defining the first hole of each the first fluid routing and the second fluid routing in the first layer and defining the second hole of each the first fluid routing and the second fluid routing in the second layer includes defining a pitch of the first hole of the first fluid routing and the second fluid routing as being greater than a pitch of the second hole of the first fluid routing and the second fluid routing. 
     
     
       20. The method of  claim 13 , wherein orienting the second channel of each of the first fluid routing and the second fluid routing substantially perpendicular to the fluid feeds slots includes communicating a plurality of second channels with the first channel of the first fluid routing, and communicating a plurality of second channels with the first channel of the second fluid routing. 
     
     
       21. A fluid manifold for a fluid ejection device including a plurality of fluid feed slots, the fluid manifold comprising:
 a multi-layer assembly having a first side and a second side opposite the first side; and 
 a first fluid routing and a second fluid routing each provided through the multi-layer assembly and communicated with the first side and the second side, 
 wherein the fluid ejection device is supported by the second side of the multi-layer assembly, and the first fluid routing is communicated with one of the fluid feed slots, and the second fluid routing is communicated with an adjacent one of the fluid feed slots, 
 wherein a pitch of the first fluid routing and the second fluid routing at the first side of the multi-layer assembly is greater than a pitch of the fluid feed slots, and 
 wherein the first fluid routing and the second fluid routing each include a first channel oriented substantially parallel with the fluid feed slots and a second channel oriented substantially perpendicular to the fluid feed slots, 
 wherein the second channel is fluidly intermediate the first channel and a respective one of the fluid feed slots. 
 
     
     
       22. The fluid manifold of  claim 21 , wherein the first channel of each of the first fluid routing and the second fluid routing is provided in one layer of the multi-layer assembly, and the second channel of each of the first fluid routing and the second fluid routing is provided in another layer of the multi-layer assembly, wherein the another layer of the multi-layer assembly is adjacent the one layer of the multi-layer assembly, and wherein the fluid ejection device is supported by the another layer of the multi-layer assembly.